Moire and spatial-carrier approaches to phase-shifting interferometry

Malgorzata Kujawinska; Leszek A. Salbut; Romulad Jozwicki

doi:10.1117/12.135290

1 January 1992 Moire and spatial-carrier approaches to phase-shifting interferometry

Malgorzata Kujawinska, Leszek A. Salbut, Romulad Jozwicki

Proceedings Volume 1553, Laser Interferometry IV: Computer-Aided Interferometry; (1992) https://doi.org/10.1117/12.135290
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Modified wavefront analysis concepts for interferometric optical testing are presented, specifically: a moire fringes version of the temporal phase-shifting method and spatial-carrier phase-shifting. These techniques require working with a finite fringe observation field in the interferometer; therefore, additional analysis of the imaging optics is necessary. The influence of the interferometer construction and the chosen method of analysis upon the measurement error is discussed. Extended experimental and theoretical comparison of the techniques presented is given in order to fulfill a wide range of user requirements.

Citation Download Citation

Malgorzata Kujawinska, Leszek A. Salbut, and Romulad Jozwicki "Moire and spatial-carrier approaches to phase-shifting interferometry", Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); https://doi.org/10.1117/12.135290

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